Individual analysis by river basin

Putumayo and Içá Rivers Basins

Updated on April 29, 2026

Accumulated precipitation vs climatology

30 days
chart

Comparison between climatological quantiles and observed accumulation.

Anomaly and trend

14 to 28 days
chart

Anomaly, forecast and observed indicators.

Basin highlights

The climatology of the period under analysis indicates rainfall with records varying between 280 and 308 mm being considered normal (reference quantiles 42.5% and 57.5%). On April 29, 2026, 242 mm of average accumulated precipitation was observed over the basin in 30 days, the calculation of the average of the categorized anomaly index in the basin area the value of -1.4, classifies the basin as dry condition. In the coming weeks, climate behavior indicates a increase in rainfall volumes, the sub-seasonal forecast model suggests dry behavior or a tending to be dry.

Climatology

280 mm - 308 mm

Observed 30 days

242 mm

Anomaly index

-1.4

Basin classification

dry condition

Forecast

dry behavior or a tending to be dry